diff --git a/app/views/checks/index.html.slim b/app/views/checks/index.html.slim
index 4c15fa8..c73f86b 100644
--- a/app/views/checks/index.html.slim
+++ b/app/views/checks/index.html.slim
@@ -25,7 +25,7 @@ h1
             .form-check.form-check-inline
               = form.check_box :principle_id, { label: principle.t_name, multiple: true, checked: (filter_params[:principle_id] || []).include?(principle.id.to_s) }, principle.id, nil
         .col-lg-2 
-          - Standard.all.sort_by(&:name_de).each do |standard|
+          - Standard.all.sort_by{ _1.name_de.downcase }.each do |standard|
             .form-check.form-check-inline
               = form.check_box :standard_ids, { label: standard.t_name, multiple: true, checked: (filter_params[:standard_ids] || []).include?(standard.id.to_s) }, standard.id, nil
         .col-lg-1